diff --git a/p2p/net/swarm/swarm_notif_test.go b/p2p/net/swarm/swarm_notif_test.go
index d9e9df62a5..8ebcccb973 100644
--- a/p2p/net/swarm/swarm_notif_test.go
+++ b/p2p/net/swarm/swarm_notif_test.go
@@ -17,8 +17,10 @@ func streamsSame(a, b inet.Stream) bool {
 }
 
 func TestNotifications(t *testing.T) {
+	const swarmSize = 5
+
 	ctx := context.Background()
-	swarms := makeSwarms(ctx, t, 5)
+	swarms := makeSwarms(ctx, t, swarmSize)
 	defer func() {
 		for _, s := range swarms {
 			s.Close()
@@ -30,7 +32,7 @@ func TestNotifications(t *testing.T) {
 	// signup notifs
 	notifiees := make([]*netNotifiee, len(swarms))
 	for i, swarm := range swarms {
-		n := newNetNotifiee()
+		n := newNetNotifiee(swarmSize)
 		swarm.Notify(n)
 		notifiees[i] = n
 	}
@@ -184,14 +186,14 @@ type netNotifiee struct {
 	closedStream chan inet.Stream
 }
 
-func newNetNotifiee() *netNotifiee {
+func newNetNotifiee(buffer int) *netNotifiee {
 	return &netNotifiee{
-		listen:       make(chan ma.Multiaddr),
-		listenClose:  make(chan ma.Multiaddr),
-		connected:    make(chan inet.Conn),
-		disconnected: make(chan inet.Conn),
-		openedStream: make(chan inet.Stream),
-		closedStream: make(chan inet.Stream),
+		listen:       make(chan ma.Multiaddr, buffer),
+		listenClose:  make(chan ma.Multiaddr, buffer),
+		connected:    make(chan inet.Conn, buffer),
+		disconnected: make(chan inet.Conn, buffer),
+		openedStream: make(chan inet.Stream, buffer),
+		closedStream: make(chan inet.Stream, buffer),
 	}
 }